Finding the Fourth Proportional to 578,546.64, 868,379.67 and 279,237.92
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Solution
The fourth proportional to 578,546.64, 868,379.67 and 279,237.92 is: 419,127.02
Step by Step Solution
- Step 1: Write the proportion equation
578,546.64 : 868,379.67 = 279,237.92 : x - Step 2: Convert to fraction form
578,546.64/868,379.67 = 279,237.92/x - Step 3: Cross multiply
578,546.64x = 868,379.67 × 279,237.92 - Step 4: Simplify right side
578,546.64x = 242,484,528,479.19 - Step 5: Solve for x
x = 242,484,528,479.19/578,546.64 - Step 6: Final answer
x = 419,127.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.